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A particle falls towards earth from infinity. Its velocity on reaching the earth would be
Options
(a) infinity
(b) √(2gR)
(c) 2 √(Rg)
(d) zero
Correct Answer:
√(2gR)
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Topics: Gravitation
(63)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- If the velocity of charged particle has both perpendicular and parallel components
- Current flows in semi-conductors through
- Given a sample of radium-226 having half-life of 4 days. Find the probability,
- An LED is constructed from a p-n junction based on a certain semi-conducting
- A machine gun fires 10 bullets/s,each of mass 10 g,the speed of each bullet
Topics: Gravitation (63)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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Velocity will be equal to the escape velocity from Earth i,e root over of 2gR